Correction to: Study on pore size effect of low permeability clay seepage

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CORRECTION

Correction to: Study on pore size effect of low permeability clay seepage Jian Chen 1,2 & Yingguang Fang 1,2 & Renguo Gu 1,2 & Haokai Shu 1 & Lingzhen Ba 1,2 & Wei Li 1 Published online: 10 May 2019 # Saudi Society for Geosciences 2019

Correction to: Arabian Journal of Geosciences (2019) 12:238. https://doi.org/10.1007/s12517-019-4375-3

The original version of this paper was published with error. Figures 12—17 were incorrectly processed during production typesetting. Given in this article are the correct figures. The original article has been corrected.

The online version of the original article can be found at https://doi.org/ 10.1007/s12517-019-4375-3 * Jian Chen [email protected] 1

School of Civil and Transportation Engineering, South China University of Technology, Guangzhou, China

2

State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou, China

320 Page 2 of 2

Arab J Geosci (2019) 12: 320 permeability coefficient k (×10-9 m/s)

-9

Permeability coefficient k (×10 m/s)

10

1

0.1 Experimental data Theory data Modified Kozeny-Carman Equation

0.01

0.1

1

Ion concentration(mol/L)

2.4

2.2 2

/

/ 2 /

2

2.0

1.8 1E-4

0.01 1E-3

2.6

=150 =100 1 =50 1

1

1E-3 0.01 0.1 Ion concentration (mol/L)

1

Fig. 15 Influence of μ2 on the permeability coefficient(Temperature = 20 °C)

Fig. 12 Results of the natural clay measurements

-10

10

Permeability coefficient k (×10 m/s)

1000

-10

permeability coefficient k (×10 m/s)

100

1 Experimental data Theory data Modified Kozeny-Carman eqution

0.1

0.01 1E-3

0.01

0.1

1

100

10

1

Average diameter(dave) Theory data Experimental data

0.1

Ion concentration (mol/L)

1E-3

Fig. 13 Results of the artificial clay measurements

0.01

0.1

1

Ion concentration (mol/L)

permeability coefficient k (×10-9 m/s)

3.0

-9

permeability coefficient k ( 10 m/s)

Fig. 16 Influence of the diameter calculation method on the permeability coefficient for artificial clay

2.5 2.0 1.5

τ0=0.00593 τ0=0.1186

1.0

τ0=0.2965

100

10

1 Average diameter(dave) Theory data Experimental data

0.1 1E-3

0.5 1E-3

0.01

0.1

Ion concentration (mol/L)

Fig. 14 Influence of τ0 on the permeability coefficient

1

0.01

0.1

1

Ion concentration (mol/L)

Fig. 17 Influence of th diameter calculation method on the permeability coefficient for natural clay